EP1768117A4 - Lichtmodulierendes flüssigkristallelement und optische kopfeinrichtung - Google Patents

Lichtmodulierendes flüssigkristallelement und optische kopfeinrichtung

Info

Publication number
EP1768117A4
EP1768117A4 EP05765394A EP05765394A EP1768117A4 EP 1768117 A4 EP1768117 A4 EP 1768117A4 EP 05765394 A EP05765394 A EP 05765394A EP 05765394 A EP05765394 A EP 05765394A EP 1768117 A4 EP1768117 A4 EP 1768117A4
Authority
EP
European Patent Office
Prior art keywords
liquid crystal
optical head
head device
crystal light
light modulating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05765394A
Other languages
English (en)
French (fr)
Other versions
EP1768117B1 (de
EP1768117A1 (de
Inventor
H Hotaka
H Kumai
M Hasegawa
Y Yamamori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AGC Inc
Original Assignee
Asahi Glass Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Publication of EP1768117A1 publication Critical patent/EP1768117A1/de
Publication of EP1768117A4 publication Critical patent/EP1768117A4/de
Application granted granted Critical
Publication of EP1768117B1 publication Critical patent/EP1768117B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/128—Modulators
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
    • C09K19/3001—Cyclohexane rings
    • C09K19/3003—Compounds containing at least two rings in which the different rings are directly linked (covalent bond)
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
    • C09K19/3001—Cyclohexane rings
    • C09K19/3028—Cyclohexane rings in which at least two rings are linked by a carbon chain containing carbon to carbon single bonds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
    • C09K19/3001—Cyclohexane rings
    • C09K19/3066—Cyclohexane rings in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/54—Additives having no specific mesophase characterised by their chemical composition
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/0009—Materials therefor
    • G02F1/0045—Liquid crystals characterised by their physical properties
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • G02F1/133723—Polyimide, polyamide-imide
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Optical Head (AREA)
  • Liquid Crystal Substances (AREA)
EP05765394A 2004-06-29 2005-06-28 Lichtmodulierendes flüssigkristallelement und optische kopfeinrichtung Not-in-force EP1768117B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004191257 2004-06-29
PCT/JP2005/011813 WO2006001444A1 (ja) 2004-06-29 2005-06-28 液晶光変調素子および光ヘッド装置

Publications (3)

Publication Number Publication Date
EP1768117A1 EP1768117A1 (de) 2007-03-28
EP1768117A4 true EP1768117A4 (de) 2010-01-13
EP1768117B1 EP1768117B1 (de) 2010-10-20

Family

ID=35781872

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05765394A Not-in-force EP1768117B1 (de) 2004-06-29 2005-06-28 Lichtmodulierendes flüssigkristallelement und optische kopfeinrichtung

Country Status (8)

Country Link
US (1) US7714977B2 (de)
EP (1) EP1768117B1 (de)
JP (2) JPWO2006001444A1 (de)
KR (1) KR101052451B1 (de)
CN (1) CN1973325A (de)
AT (1) ATE485585T1 (de)
DE (1) DE602005024272D1 (de)
WO (1) WO2006001444A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007046384A1 (ja) * 2005-10-18 2007-04-26 Asahi Glass Company, Limited 液晶光変調素子および光ヘッド装置
JP2007262288A (ja) * 2006-03-29 2007-10-11 Dainippon Ink & Chem Inc 重合性液晶組成物
JP2008176848A (ja) * 2007-01-17 2008-07-31 Asahi Glass Co Ltd 液晶素子および光ヘッド装置
JP5169165B2 (ja) * 2007-11-15 2013-03-27 旭硝子株式会社 化合物、液晶組成物、光学異方性材料および光学素子
JP5135063B2 (ja) * 2008-05-27 2013-01-30 株式会社ジャパンディスプレイイースト 液晶表示装置
US9557574B2 (en) 2010-06-08 2017-01-31 Microsoft Technology Licensing, Llc Depth illumination and detection optics
WO2012079710A1 (de) * 2010-12-17 2012-06-21 Merck Patent Gmbh Flüssigkristallines medium
JP5867682B2 (ja) * 2011-09-02 2016-02-24 Jsr株式会社 液晶表示素子の製造方法
JP2012162742A (ja) * 2012-05-21 2012-08-30 Dic Corp 重合性液晶組成物
EP2855630B1 (de) * 2012-06-05 2017-12-20 Merck Patent GmbH Flüssigkristallines medium und flüssigkristallanzeige
KR102092042B1 (ko) 2013-01-24 2020-03-24 삼성디스플레이 주식회사 액정 표시 장치 및 이의 제조 방법
CN105308153B (zh) * 2013-07-03 2017-07-21 捷恩智株式会社 液晶组合物及其用途、以及液晶显示元件
TWI638214B (zh) * 2013-08-09 2018-10-11 日商住友化學股份有限公司 配向膜形成用組成物
JP5885040B2 (ja) * 2014-02-24 2016-03-15 Dic株式会社 重合性液晶組成物
KR102221553B1 (ko) * 2014-05-09 2021-03-02 삼성디스플레이 주식회사 3차원 표시 장치 및 이를 위한 액정 렌즈 패널 장치
CN106661455A (zh) * 2014-09-05 2017-05-10 Dic株式会社 液晶组合物及使用其的液晶显示元件
US10385271B2 (en) 2014-12-16 2019-08-20 Jnc Corporation Liquid crystal composition and liquid crystal display device
WO2017154590A1 (ja) * 2016-03-08 2017-09-14 Dic株式会社 液晶組成物及びそれを使用した液晶表示素子
KR102662829B1 (ko) 2016-09-27 2024-05-03 티씨엘 차이나 스타 옵토일렉트로닉스 테크놀로지 컴퍼니 리미티드 액정 조성물 및 이를 포함하는 표시 장치
JP6460279B2 (ja) * 2016-12-27 2019-01-30 Jnc株式会社 液晶組成物および液晶表示素子
KR102235476B1 (ko) 2018-03-30 2021-04-01 주식회사 엘지화학 액정 배향제 조성물, 이를 이용한 액정 배향막의 제조 방법, 및 이를 이용한 액정 배향막
CN109880638B (zh) * 2019-03-29 2023-06-02 石家庄诚志永华显示材料有限公司 液晶组合物、液晶显示元件、液晶显示器
US10712616B1 (en) * 2019-10-15 2020-07-14 A.U. Vista, Inc. Liquid crystal display device comprising first and second liquid crystal display panels respectively having first and second liquid crystal retardations and a color conversion layer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19539141A1 (de) * 1995-10-20 1997-04-24 Merck Patent Gmbh 2,6-Di-tert.-butylphenole
US6153722A (en) * 1998-04-11 2000-11-28 Clariant Gmbh Cholesteric liquid-crystal polymers with increased weather stability

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JPH0695083A (ja) * 1992-09-09 1994-04-08 Matsushita Electric Ind Co Ltd 液晶光学素子
JP2887051B2 (ja) * 1993-07-23 1999-04-26 富士ゼロックス株式会社 光変調素子
JPH09152501A (ja) * 1995-09-27 1997-06-10 Fuji Xerox Co Ltd 光学素子およびその製造方法、並びに光学素子用高分子液晶組成物
JP3656131B2 (ja) * 1996-02-23 2005-06-08 旭硝子株式会社 光ヘッド装置
JPH09291282A (ja) 1996-04-26 1997-11-11 Sumitomo Chem Co Ltd 安定化した液晶材料およびこれを用いた液晶素子
JP3781273B2 (ja) 2001-02-07 2006-05-31 パイオニア株式会社 収差補正素子及び収差補正ユニット
JP2002260269A (ja) 2001-03-02 2002-09-13 Sony Corp 記録再生装置及び記録再生方法
DE10217273A1 (de) * 2001-05-16 2002-12-05 Merck Patent Gmbh Elektrooptisches Lichtsteuerelement, Anzeige und Medium
JP2003090990A (ja) 2001-09-17 2003-03-28 Asahi Glass Co Ltd 光ヘッド装置
US6767937B2 (en) 2001-10-03 2004-07-27 Eastman Kodak Company Stabilizer system for polymer components of displays
JP4826255B2 (ja) * 2003-08-12 2011-11-30 旭硝子株式会社 重合性液晶化合物、液晶組成物及び光学異方性材料
JP4725516B2 (ja) * 2004-06-25 2011-07-13 旭硝子株式会社 重合性液晶化合物、液晶組成物、および光学異方性材料

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19539141A1 (de) * 1995-10-20 1997-04-24 Merck Patent Gmbh 2,6-Di-tert.-butylphenole
US6153722A (en) * 1998-04-11 2000-11-28 Clariant Gmbh Cholesteric liquid-crystal polymers with increased weather stability

Also Published As

Publication number Publication date
JP5321555B2 (ja) 2013-10-23
DE602005024272D1 (de) 2010-12-02
JPWO2006001444A1 (ja) 2008-04-17
US7714977B2 (en) 2010-05-11
ATE485585T1 (de) 2010-11-15
JP2011039531A (ja) 2011-02-24
KR20070018994A (ko) 2007-02-14
US20070104895A1 (en) 2007-05-10
CN1973325A (zh) 2007-05-30
EP1768117B1 (de) 2010-10-20
WO2006001444A1 (ja) 2006-01-05
EP1768117A1 (de) 2007-03-28
KR101052451B1 (ko) 2011-07-28

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